437A Series - 1206 AECQ-Compliant Fuses

Brand: Littelfuse, Inc

The 437A Series AECQ-Compliant fuses are specifically tested to cater to secondary circuit protection needs of compact auto-electronics applications.

The general design ensures excellent temperature stability and performance reliability. In addition to this, the high I²t values typical of the Littelfuse Ceramic Fuse family ensure high inrush current withstand capability.
Features
  • Operating Temperature from -55ºC to +150ºC
  • 100% Lead-free, Halogen-Free and RoHS compliant
  • Meets Littelfuse’s automotive qualifications
  • Fast response to faulty current to ensure over-current protection for sensitive electronic component
  • AECQ-Compliant

Specifications

Materials

  • Body: Advanced Ceramic
  • Terminations: Ag/Ni/Sn (100 % Lead-free)
  • Element Cover Coating: Lead-free Glass

Moisture Sensitivity Level

  • IPC/JEDEC J-STD-020, Level 1

Solderability

  • IPC/EIC/JEDEC J-STD-002, Condition B
  • JESD22-B102E Method 1

Humidity Test

  • MIL-STD-202, Method 103, Conditions D

Resistance to Solder Heat

  • MIL-STD-202, Method 210, Condition B

Moisture Resistance

  • MIL-STD-202, Method 106

Thermal Shock

  • MIL-STD-202, Method 107, Condition B

Mechanical Shock

  • MIL-STD-202, Method 213, Condition A
  • MIL-STD-202 Method 213, Test Condition C

Vibration

  • MIL-STD-202, Method 201

Vibration, High Frequency

  • MIL-STD-202, Method 204, Condition D

Dissolution of Metallization

  • IPC/EIC/JEDEC J-STD-002, Condition D

Terminal Strength

  • IEC 60127-4

High Temperature Storage

  • MIL-STD-202 Method 108 with exemptions

Thermal Shock Test

  • JESD22 Method JA-104, Test Conditions B and N

Biased Humidity

  • MIL-STD-202 Method 103, 85° C/85 % Relative Humidity with 10 % operating power for 1000 hr

Operational Life

  • MIL-STD-202 Method 108, Test Condition D

Resistance to Solvents

  • MIL-STD-202 Method 215

Terminal Strength for SMD

  • AEC Q200-006

Board Flex

  • AEC Q200-005

Approvals

  • UL
  • CSA

Electrical Characterization

  • 3 Temperature Electrical Characterization

  • Li-ion  Battery
  • LED Lighting
  • Automotive Navigation System
  • TFT Display
  • Battery Management System (BMS)
  • Clusters
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